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Variation of selfing rate and inbreeding depression among individuals and across generations within an admixed Cedrus population

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Variation of selfing rate and inbreeding depression among individuals and across generations within an admixed Cedrus population

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dc.contributor.author Ferriol Molina, María es_ES
dc.contributor.author Pichot, C es_ES
dc.contributor.author Lefevre, Francois es_ES
dc.coverage.spatial east=5.223888999999986; north=43.796111; name=Luberon, fòret, França es_ES
dc.date.accessioned 2017-04-18T08:23:55Z
dc.date.available 2017-04-18T08:23:55Z
dc.date.issued 2011-06
dc.identifier.issn 0018-067X
dc.identifier.uri http://hdl.handle.net/10251/79715
dc.description.abstract [EN] We investigated the variation and short-term evolution of the selfing rate and inbreeding depression (ID) across three generations within a cedar forest that was established from admixture ca 1860. The mean selfing rate was 9.5%, ranging from 0 to 48% among 20 seed trees (estimated from paternally inherited chloroplast DNA). We computed the probability of selfing for each seed and we investigated ID by comparing selfed and outcrossed seeds within progenies, thus avoiding maternal effects. In all progenies, the germination rate was high (88-100%) and seedling mortality was low (0-12%). The germination dynamics differed significantly between selfed and outcrossed seeds within progenies in the founder gene pool but not in the following generations. This transient effect of selfing could be attributed to epistatic interactions in the original admixture. Regarding the seedling growth traits, the ID was low but significant: 8 and 6% for height and diameter growth, respectively. These rates did not vary among generations, suggesting minor gene effects. At this early stage, outcrossed seedlings outcompeted their selfed relatives, but not necessarily other selfed seedlings from other progenies. Thus, purging these slightly deleterious genes may only occur through within-family selection. Processes that maintain a high level of genetic diversity for fitness-related traits among progenies also reduce the efficiency of purging this part of the genetic load. © 2011 Macmillan Publishers Limited All rights reserved. Guardar / Salir Siguiente > es_ES
dc.description.sponsorship This work has been partially supported by Grant PPI-00-04 from the Polytechnic University of Valencia (Spain). We thank B Fady and E Klein as well as two anonymous reviewers for their helpful comments on a previous version of the paper. We acknowledge B Jouaud, W Brunetto, F Jean and H Picot for seed collection and processing and laboratory assistance, as well as P Brahic and staff from the Experimental Nursery of Aix-Les Milles for nursery cares. en_EN
dc.language Inglés es_ES
dc.publisher Nature Publishing Group es_ES
dc.relation.ispartof Heredity es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Genetic load es_ES
dc.subject Inbreeding depression es_ES
dc.subject Mating system es_ES
dc.subject Outbreeding depression es_ES
dc.subject Seed germination es_ES
dc.subject Selfing rate es_ES
dc.subject Chloroplast DNA es_ES
dc.subject Autogamy es_ES
dc.subject Coniferous forest es_ES
dc.subject Genetic variation es_ES
dc.subject Germination es_ES
dc.subject Maternal effect es_ES
dc.subject Probability es_ES
dc.subject Reproductive strategy es_ES
dc.subject Seedling es_ES
dc.subject Article es_ES
dc.subject Cedrus es_ES
dc.subject France es_ES
dc.subject Genetic polymorphism es_ES
dc.subject Genetic variability es_ES
dc.subject Genetics es_ES
dc.subject Growth, development and aging es_ES
dc.subject Inbreeding es_ES
dc.subject Physiology es_ES
dc.subject Plant seed es_ES
dc.subject Population es_ES
dc.subject Tree es_ES
dc.subject DNA, Chloroplast es_ES
dc.subject Polymorphism, Genetic es_ES
dc.subject Seeds es_ES
dc.subject Trees es_ES
dc.subject.classification BOTANICA es_ES
dc.title Variation of selfing rate and inbreeding depression among individuals and across generations within an admixed Cedrus population es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1038/hdy.2010.45
dc.relation.projectID info:eu-repo/grantAgreement/UPV//PPI-00-04/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Instituto Agroforestal Mediterráneo - Institut Agroforestal Mediterrani es_ES
dc.contributor.affiliation Universitat Politècnica de València. Escuela Técnica Superior de Ingeniería Agronómica y del Medio Natural - Escola Tècnica Superior d'Enginyeria Agronòmica i del Medi Natural es_ES
dc.description.bibliographicCitation Ferriol Molina, M.; Pichot, C.; Lefevre, F. (2011). Variation of selfing rate and inbreeding depression among individuals and across generations within an admixed Cedrus population. Heredity. 106(1):146-157. https://doi.org/10.1038/hdy.2010.45 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://dx.doi.org/10.1038/hdy.2010.45 es_ES
dc.description.upvformatpinicio 146 es_ES
dc.description.upvformatpfin 157 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 106 es_ES
dc.description.issue 1 es_ES
dc.relation.senia 39539 es_ES
dc.identifier.pmcid PMC3183846 en_EN
dc.contributor.funder Universitat Politècnica de València es_ES
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